// Copyright 2020 Authors of Cilium
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package main

import (
	"fmt"
	"os/exec"
)

// A commandCheck checks that a commant runs successfully.
type commandCheck struct {
	name             string
	command          string
	args             []string
	ifFailure        checkResult
	ifSuccessMessage string
	hint             string
}

func (c *commandCheck) Name() string {
	return c.name
}

func (c *commandCheck) Run() (checkResult, string) {
	cmd := exec.Command(c.command, c.args...)
	if err := cmd.Run(); err != nil {
		return c.ifFailure, fmt.Sprintf("%s: %v", cmd, err)
	}
	return checkOK, c.ifSuccessMessage
}

func (c *commandCheck) Hint() string {
	return c.hint
}
